Enrollment
313
California · 2024-25 NCES data
High school (grades 9-12) · San Jose, CA
Ace Charter High
Federal NCES profile for Ace Charter High, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 28/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 060156113023Charter school
👥 S:T ratio 30
📚 AP courses 40
🌟 Gifted program 30
🎓 Counselors 37
📋 Attendance 0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Ace Charter High earns 28/100 on the Resource Investment Index, even as it posts class sizes smaller than 82% of California schools. It is also less racially and ethnically mixed than most California schools.
- #32 of 42
- high schools in San Jose · Resource Index
- 28
- Resource Index · Lower
- 17.4:1
- small classes for California
- 68.6%
- free-lunch eligible
Ace Charter High has class sizes smaller than 82% of California schools. Computed live against every California school reporting to NCES.
By Resource Investment Index, Ace Charter High ranks #32 of 42 high schools in San Jose, CA.
School address
District: Ace Charter High District · California
NCES ID 060156113023 Verify on NCES CCD record →
Teachers (FTE)
18.0
Federal CCD staff survey
Students per teacher
17.4:1
vs 21.5:1 California avg
-19% vs state
Free-lunch eligible
68.6%
vs 55.5% California avg
+24% vs state
Student-teacher ratio in context
How Ace Charter High compares with California and U.S. medians
What stands out at Ace Charter High
Ace Charter High is a higher-need, mid-sized charter high school in San Jose, California, enrolling 313 students.
Class sizes run a bit leaner than typical: 17.4:1 puts it in the smaller third of California schools by student-teacher ratio.
Economic need runs somewhat above the state's typical profile, with 68.6% of students eligible for free meals.
Enrollment of 313 puts it in the smaller third of California schools by headcount.
Its Resource Investment Index lands in the lower third of 9,998 scored California schools.
Against 1,292 statewide peers matched on enrollment and economic need, it ranks mid-pack at #798.
Its student body is predominantly Hispanic or Latino (97% of enrollment), among the less diverse in the state (diversity index 6/100).
On the academic-pipeline side it reports 8 Advanced Placement courses.
Counselor coverage runs a bit thin, about 313 students per counselor, somewhat past the ASCA-recommended 250:1 benchmark.
Chronic absenteeism is elevated: 62.6% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Its district draws 27.0% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
Among San Jose's high schools, it stands alongside Evergreen Valley High (2,703 students): Ace Charter High is smaller than that campus by headcount and runs leaner classes (17.4:1 vs 23.7:1).
Ace Charter High District is a single-school charter district, so Ace Charter High operates independently rather than alongside district-mates.
Sourced from NCES CCD, CRDC, and F-33 (federal records, not a quality verdict). How we source and compute this.
Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25
How Ace Charter High compares
Ace Charter High on the metrics families compare, against California and U.S. means.
| Metric | This school | vs California | California avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 17.4:1 | ▼ 19% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 68.6% | ▲ 24% | 55.5% | 51.7% |
| Enrollment | 313 | top 72% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
17.4:1
Leaner classes than 28% of US schools, heavier class loads than most.
313
Bigger than 34% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
68.6%
free-lunch eligible
- 24% above the California average of 55.5%
Above the 40% Title I schoolwide threshold; federal funds support the whole school, not individual students.
Staffing depth
17.4:1
students per teacher
- 19% below state mean
Top 18% in California - lower ratio than 82% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Engagement
62.6%
chronically absent (missed 10%+ of school days)
At or above 20%, the commonly used threshold for "high" chronic absenteeism, signaling significant barriers to regular attendance.
Funding equity
$14,694
per pupil, district-wide
- below California avg of $16,509
Somewhat below the U.S. average per-pupil spend; funding constraints may affect programs, facilities, and staffing.
Support staff
Counselors1.0 FTE
Per 313 students, the combined health-and-guidance staffing load for this school.
Discipline context
0
in-school suspensions + 47 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 15.0 per 100 students. Reported via the Civil Rights Data Collection.
Overview
- Common Core of Data (June 2026): enrollment, staffing, and the student-teacher ratio above.
- Civil Rights Data Collection: discipline counts and program access (AP, gifted, special education).
- F-33 School District Finance Survey: the district-wide per-pupil spending figures below.
Three separate federal collections, each on its own reporting cadence - which is why this school's numbers line up on a consistent basis against every other school and state on this site, rather than mixing figures pulled from different survey years.
Student demographics
Hispanic or Latino 96.8%
White 1.3%
African American 0.6%
Asian 0.6%
Two or More 0.6%
Largest group: Hispanic or Latino at 96.8% of enrollment.
Student-body diversity index 6.3/100
Simpson diversity index - at 6.3, Ace Charter High is less mixed than the California school average of 46.0.
Programs
AP courses offered 8
Funding & spending
District-wide per-pupil expenditure for Ace Charter High District, which includes Ace Charter High.
$14,694
Per student
-11%
vs California
Avg $16,509
-11%
vs U.S.
Avg $16,593
Revenue mix
Local 20.0%
State 53.0%
Federal 27.0%
Source: NCES F-33 School District Finance Survey District-level finance · FY 2021-22 Per-pupil expenditure reflects the district-wide average. Individual school budgets are not reported at the federal level.
Similar high schools in San Jose
6 comparable high schools (grades 9-12) serving the same city.
Evergreen Valley High
Standard public school
2,703 students 23.7:1 students per teacher
Independence High
Standard public school
2,289 students 20.1:1 students per teacher
Silver Creek High
Standard public school
2,139 students 22.8:1 students per teacher
Santa Teresa High
Standard public school
2,134 students 22:1 students per teacher
Piedmont Hills High
Standard public school
1,918 students 22.8:1 students per teacher
Leigh High
Standard public school
1,884 students 25.8:1 students per teacher
Similar high schools statewide
Matched by enrollment size and by staffing ratio across all of California, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~313 students)
Next steps
Verify locally before acting on Ace Charter High's federal record.
- Compare Ace Charter High against another school. Compare schools
- Ace Charter High District's spending and staffing shape this school. District profile
- Confirm current enrollment and boundaries with the school. Choosing guide
Federal record (CCD 2024-25, CRDC 2021-22) - PlainSchools assigns no subjective rating; the composite quality score is a transparent, reproducible index computed from this cited federal data.
Frequently asked questions about Ace Charter High
How many students attend Ace Charter High?
Ace Charter High has 313 students enrolled. It is a high school in San Jose, CA.
What is the student-teacher ratio at Ace Charter High?
The student-teacher ratio at Ace Charter High is 17.4:1, which is 19% lower than the California average of 21.5:1 and 11% higher than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What percentage of students receive free lunch at Ace Charter High?
68.6% of students at Ace Charter High are eligible for free lunch, compared to the California average of 55.5%.
What is the racial and ethnic makeup of Ace Charter High?
The largest demographic group at Ace Charter High is Hispanic or Latino at 96.8% of enrollment, in San Jose, CA.
What is the Resource Investment Index for Ace Charter High?
Ace Charter High has a Resource Investment Index of 28/100 (lower reported resources relative to schools nationally) based on 5 factors: student-teacher ratio, AP course offerings, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Ace Charter High rank among high schools in San Jose?
By Resource Investment Index, Ace Charter High ranks #32 of 42 high schools in San Jose, CA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all high schools in San Jose on the city page.
Is Ace Charter High a good school?
Ace Charter High earns 28/100 on the Resource Investment Index, even as it posts class sizes smaller than 82% of California schools. It is also less racially and ethnically mixed than most California schools. This is a resource snapshot, not an academic rating; see the Resource Investment Index question above for what the number does and doesn't measure.
What other schools are in Ace Charter High District?
None; Ace Charter High District is a single-school charter district, and Ace Charter High is its only campus.
Related tools
Every figure on PlainSchools is rendered directly from the source NCES, CRDC and F-33 federal records, no number is typed in by an editor. Each school's figures reflect its most recent NCES/CRDC submission on file. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of June 2026.